Home / 25,687.80-38,531.70-22,966.20

Finding the Fourth Proportional to 25,687.80, 38,531.70 and 22,966.20

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Solution

The fourth proportional to 25,687.80, 38,531.70 and 22,966.20 is: 34,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,687.80 : 38,531.70 = 22,966.20 : x
  2. Step 2: Convert to fraction form
    25,687.80/38,531.70 = 22,966.20/x
  3. Step 3: Cross multiply
    25,687.80x = 38,531.70 × 22,966.20
  4. Step 4: Simplify right side
    25,687.80x = 884,926,728.54
  5. Step 5: Solve for x
    x = 884,926,728.54/25,687.80
  6. Step 6: Final answer
    x = 34,449.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.